Frequencies for trnsmtl_num variable in hosp_rpt2552_96_1998 dataset :

transmittal |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        156        2.47        2.47
          0 |          2        0.03        2.50
          5 |      2,543       40.19       42.69
          6 |        623        9.85       52.54
          7 |        672       10.62       63.16
          8 |        382        6.04       69.20
          9 |        483        7.63       76.83
          A |         74        1.17       78.00
          B |        333        5.26       83.26
          D |        355        5.61       88.87
          E |        103        1.63       90.50
          F |        101        1.60       92.10
          G |        114        1.80       93.90
          H |        195        3.08       96.98
          J |         20        0.32       97.30
          K |         31        0.49       97.79
          L |          9        0.14       97.93
          M |          3        0.05       97.98
          N |        128        2.02      100.00
------------+-----------------------------------
      Total |      6,327      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018